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The Geology of Western National Parks: Grand Canyon, Arizona

Evening Lecture/Seminar

Monday, March 6, 2023 - 7:00 p.m. to 8:30 p.m. ET
Code: 1NV019
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Grand Canyon, Arizona

Join geologist Kirt Kempter as he explores the geology of Western National Parks over the course of 2023, with an in-depth look at one location every month. Each program’s content is enhanced by geologic maps, photos, and Google Earth imagery.

Session Information

Grand Canyon, Arizona

A mile-thick package of sedimentary rocks from the Paleozoic Era is spectacularly exposed from the Grand Canyon’s rim to bottom. Each layer has a story to tell, revealing ancient oceans, rivers, and sand dunes that reflect drastically changing environments through geologic time. Kempter explores and interprets ancient Precambrian rocks now exposed in the inner gorge, along with a boundary known as the Great Unconformity, where more than a billion years of rock information is missing. When and how did the Colorado River carve the Grand Canyon? These questions, which are still being debated by geologists, are addressed in the program.

Additional Sessions

Patron Information

  • If you register multiple individuals, you will be asked to supply individual names and email addresses so they can receive a Zoom link email. Please note that if there is a change in program schedule or a cancellation, we will notify you via email, and it will be your responsibility to notify other registrants in your group.
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  • Once registered, patrons should receive an automatic email confirmation from CustomerService@SmithsonianAssociates.org.
  • Separate Zoom link information will be emailed closer to the date of the program. If you do not receive your Zoom link information 24 hours prior to the start of the program, please email Customer Service for assistance.
  • View Common FAQs about our Streaming Programs on Zoom.

Inside Science

This online program is presented on Zoom.